town about 60 miles northeast of new york city. the death toll at the sandy hook elementary school stands at 26, including 20 children, some of them kindergarteners. and the principal of the school was killed as well. the gunman, 20-year-old adam lanza, armed with two handguns, opened fire in the kindergarten classroom where his mother was a teacher. her body was found later at her home. after the shootings, the police say adam lanza took his own life at the school. jim axelrod tells us how it all unfolded. jim? >> reporter: well, scott, it was just before -- just after 9:00 this morning at the sandy hook elementary school, which is right down the road here, a kindergarten through fourth grade school, so early this kids were still delivering their attendance list from their classrooms to the main office. as we say, a little after 9:00, the gunman apparently walked into the school and started shooting. police got 911 calls and kids could hear screaming coming over the intercom. the school was quickly placed on lockdown. teachers loc